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Microchip Technology 1N5371AE3/TR13
- Part No.:
- 1N5371AE3/TR13
- Manufacturer:
- Microchip Technology
- Category:
- Single Zener Diodes
- Package:
- T-18, Axial
- Datasheet:
-
1N5371AE3/TR13.pdf
- Description:
- DIODE ZENER 60V 5W T18
- Quantity:
- Payment:
- Shipping:
Inventory:7,298
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Product details
Overview
1N5371AE3/TR13 from Microsemi is a 5 W axial-leaded silicon Zener diode with nominal regulation voltage of 60 V, ±10% tolerance (A suffix), 20 mA test current, 40 Ω maximum dynamic impedance at IZT, and 350 A peak surge current rating. It operates from –65 °C to +150 °C and is used for precision voltage reference and overvoltage protection in industrial power supplies.
For engineers reviewing the 1N5371AE3/TR13 datasheet, 1N5371AE3/TR13 pinout, 1N5371AE3/TR13 application, or 1N5371AE3/TR13 equivalent, this page delivers verified electrical specs, thermal derating behavior, RoHS-compliant plating details, tape-and-reel packaging (TR13), and validated alternative parts for voltage reference design.
Technical Context
This device functions as a two-terminal voltage regulator operating in reverse-biased breakdown mode. Its 60 V nominal Zener voltage is specified at 20 mA test current (IZT) with ±10% tolerance, and it maintains regulation across 10–50% of IZM (350 mA) with ≤2.2 V voltage regulation (ΔVZ). The 25 °C/W junction-to-lead thermal resistance enables stable operation under high DC current when mounted with ≥10 mm lead length from body.
It features a void-free thermosetting epoxy T-18 package rated UL94V-0, cathode band polarity marking, matte-tin RoHS-compliant plating per MIL-STD-750 Method 2026, and moisture sensitivity level 1-no dry pack required. Surge capability is defined per non-recurrent 8.3 ms half-sine waveform per JEDEC JESD22-A112.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 60 V ±10% at 20 mA - defines stable regulation point for feedback loops and reference rails |
| Power Dissipation (PD) | 5.0 W at TL = 25 °C - requires ≥10 mm lead length from body for full rating |
| Dynamic Impedance (ZZ) | 40 Ω max at IZT = 20 mA - determines output voltage stability under load transients |
| Max Reverse Current (IR) | 0.5 μA at VR = 45.6 V - ensures low leakage in high-impedance bias networks |
| Surge Current (IZSM) | 350 A peak (8.3 ms half-sine) - supports transient overvoltage clamping without failure |
| Thermal Resistance (RθJL) | 25 °C/W junction-to-lead - enables thermal modeling for PCB layout and heatsinking |
| Operating Temperature | –65 °C to +150 °C - suitable for under-hood automotive and industrial environments |
Pinout & Package
T-18 axial-leaded plastic package with cathode indicated by colored band; leads are tin-plated, RoHS-compliant, solderable per MIL-STD-750 Method 2026. Body dimensions: 4.5 mm diameter × 9.5 mm length; lead diameter: 0.6 mm; lead length standard: 38 mm.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Reverse-bias reference terminal | Connected to lower-potential node; forms regulated reference with cathode at higher potential |
| Cathode (banded end) | Zener breakdown terminal | Connected to regulated output node; must be held positive relative to anode during operation |
Key Features
| Feature | Design Value |
|---|---|
| JEDEC-registered Zener family | Ensures standardized electrical behavior and interchangeability across qualified suppliers |
| Moisture Sensitivity Level 1 | Eliminates dry-pack requirement and bake-out prior to assembly, reducing manufacturing cost |
| Nonsensitive to ESD (MIL-STD-750 Method 1020) | Enables handling without special ESD controls during board assembly and testing |
| RoHS-compliant e3 suffix | Meets EU Directive 2011/65/EU with annealed matte-tin plating, no lead or hazardous substances |
| Tape-and-reel packaging (TR13) | Supports automated SMT placement via 13-inch reels with EIA-296 standard carrier tape |
Applications
| Industrial Power Supply Reference | Overvoltage Clamp in DC-DC Converters |
|---|---|
Use Scenario: Provides stable 60 V reference for error amplifiers in 48 V telecom rectifier modules. IC Role / Device Role / Timing Role: Two-terminal voltage reference establishing feedback setpoint for PWM controller. Use Value: Maintains ±10% regulation across –40 °C to +85 °C ambient with <2.2 V ΔVZ variation from 35 mA to 175 mA load current. |
Use Scenario: Clamps transient spikes on 48 V bus during MOSFET switching in isolated flyback converters. IC Role / Device Role / Timing Role: Passive overvoltage protection element absorbing energy during input surge events. Use Value: Withstands 350 A 8.3 ms surge without degradation, limiting bus voltage to ≤66 V during fault conditions. |
| Programmable Logic Controller (PLC) Input Protection | Test Equipment Voltage Calibration Standard |
Use Scenario: Protects 24/48 V digital input channels from field-wiring induced transients in factory automation systems. IC Role / Device Role / Timing Role: Front-end shunt clamp preventing damage to optocoupler input stages. Use Value: Low 0.5 μA leakage at 45.6 V ensures minimal loading on high-impedance sensor inputs during normal operation. |
Use Scenario: Serves as secondary voltage standard in benchtop multimeter calibration fixtures requiring traceable 60 V reference. IC Role / Device Role / Timing Role: Precision Zener reference source with known ±10% tolerance and low ΔVZ. Use Value: Stable 60 V output at 20 mA enables repeatable calibration checks against primary standards within lab temperature control. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener voltage reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N5371B | ±5% tolerance (vs. ±10% for 1N5371AE3/TR13); otherwise identical electrical specs and package | Higher precision reference needed where tighter regulation is critical (e.g., analog front-ends) | Select 1N5371B when ±5% VZ accuracy is required; same thermal and surge ratings apply |
| MMBZ5257B-TP | Surface-mount SOD-123 package; 60 V ±5%, 200 mW PD; not a direct replacement due to power and mounting differences | Low-power portable electronics where board space and weight constrain axial-leaded devices | Choose MMBZ5257B-TP only for low-current (<5 mA), space-constrained designs-not for 5 W dissipation |
Compared with 1N5371B and MMBZ5257B-TP, the 1N5371AE3/TR13 uniquely balances high-power dissipation (5 W), axial-leaded through-hole reliability, RoHS compliance, and tape-and-reel automation support-making it optimal for industrial power and protection circuits where thermal robustness and manufacturability are prioritized over ultra-tight tolerance or miniaturization.
Availability
1N5371AE3/TR13 is available at Aetrix Electronics and suitable for industrial power supply reference, overvoltage clamp in DC-DC converters, and PLC input protection requiring stable component supply, long-term lifecycle support, and RoHS-compliant sourcing.
Supply support for 1N5371AE3/TR13 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Microsemi (now part of Microchip Technology) is a U.S.-based semiconductor company specializing in high-reliability analog and mixed-signal components for aerospace, defense, and industrial markets.
The 1N53xx series was designed for ruggedized voltage regulation in harsh-environment power systems, emphasizing thermal resilience, surge survivability, and long-term parametric stability under extended temperature cycling.
FAQ
What is the Zener voltage tolerance of the 1N5371AE3/TR13?
The 1N5371AE3/TR13 has a Zener voltage tolerance of ±10%, indicated by the "A" suffix in its part number. This means its actual regulation voltage falls between 54 V and 66 V when measured at 20 mA test current and 25 °C lead temperature. The e3 suffix confirms RoHS compliance, and TR13 denotes tape-and-reel packaging per EIA-296 standard.
Can the 1N5371AE3/TR13 be used in surface-mount designs?
No-the 1N5371AE3/TR13 uses a T-18 axial-leaded package and is not compatible with surface-mount assembly. For SMT equivalents, Microsemi offers the SMBJ5371B (DO-214AA) and SMBG5371B (DO-214AB), both rated for 5 W but requiring different PCB footprints and reflow profiles than the 1N5371AE3/TR13.
What is the maximum steady-state current for the 1N5371AE3/TR13 at room temperature?
The 1N5371AE3/TR13 supports a maximum Zener current (IZM) of 350 mA at 25 °C lead temperature, derived from its 5 W power rating and upper-tolerance Zener voltage (66 V). When mounted on FR4 with 1 oz copper, its steady-state power drops to 1.47 W, limiting usable current to approximately 24.5 mA at 60 V.
Does the 1N5371AE3/TR13 require baking before reflow soldering?
No-this device carries moisture sensitivity level 1 per IPC/JEDEC J-STD-020B, meaning it may be stored indefinitely at ≤30 °C/60% RH without dry packing or pre-reflow baking. Its void-free epoxy body and RoHS-compliant matte-tin plating are qualified for standard 260 °C/10 s solder exposure per MIL-STD-750 Method 2026.
How does the voltage regulation (ΔVZ) specification impact circuit performance?
The 1N5371AE3/TR13 specifies ΔVZ ≤ 2.2 V-the difference between voltage measured at 10% and 50% of IZM (35 mA and 175 mA). This quantifies how tightly the device holds regulation across its operating current range, directly affecting reference stability in feedback networks and clamping consistency during load transients.
1N5371AE3/TR13 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- T-18, Axial
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Voltage - Zener (Nom) (Vz):
- 60 V
- Tolerance:
- ±10%
- Power - Max:
- 5 W
- Impedance (Max) (Zzt):
- 40 Ohms
- Current - Reverse Leakage @ Vr:
- 500 nA @ 43 V
- Voltage - Forward (Vf) (Max) @ If:
- 1.2 V @ 1 A
- Operating Temperature:
- -65°C ~ 150°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- T-18
1N5371AE3/TR13 FAQ
1.How can I place an order for 1N5371AE3/TR13 through Aetrix?
Please submit a Request for Quotation (RFQ) for 1N5371AE3/TR13 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for 1N5371AE3/TR13 reliable?
The price and inventory of 1N5371AE3/TR13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1N5371AE3/TR13 is usually 5 days.
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1N5371AE3/TR13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1N5371AE3/TR13 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for 1N5371AE3/TR13?
For technical support, including 1N5371AE3/TR13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1N5371AE3/TR13 requirements.
6.How does Aetrix verify that 1N5371AE3/TR13 is sourced from the original manufacturer or authorized distributors?
All 1N5371AE3/TR13 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that 1N5371AE3/TR13 meets industry standards.
7.What is the process for return or replacement of 1N5371AE3/TR13?
All 1N5371AE3/TR13 units undergo pre-shipment inspection (PSI). If there is an issue with 1N5371AE3/TR13, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The 1N5371AE3/TR13 part is unused and in its original packaging.
Return procedure for 1N5371AE3/TR13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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